Search for: [Subject and Keywords = Piechowice \(woj. dolnośląskie, pow. karkonoski, gm. Piechowice\)] OR [Subject and Keywords = Petersdorf \(Piechowice\)] OR [Subject and Keywords = Szkoły] OR [Subject and Keywords = 1901\-2000] OR [Subject and Keywords = 1918\-1939] OR [Title = Petersdorf i. Riesengebirge. Schule \[Dokument ikonograficzny\]]